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rpc_tblout.c revision 1.1 
      1 /*
      2  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
      3  * unrestricted use provided that this legend is included on all tape
      4  * media and as a part of the software program in whole or part.  Users
      5  * may copy or modify Sun RPC without charge, but are not authorized
      6  * to license or distribute it to anyone else except as part of a product or
      7  * program developed by the user or with the express written consent of
      8  * Sun Microsystems, Inc.
      9  *
     10  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
     11  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
     12  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
     13  *
     14  * Sun RPC is provided with no support and without any obligation on the
     15  * part of Sun Microsystems, Inc. to assist in its use, correction,
     16  * modification or enhancement.
     17  *
     18  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
     19  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
     20  * OR ANY PART THEREOF.
     21  *
     22  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
     23  * or profits or other special, indirect and consequential damages, even if
     24  * Sun has been advised of the possibility of such damages.
     25  *
     26  * Sun Microsystems, Inc.
     27  * 2550 Garcia Avenue
     28  * Mountain View, California  94043
     29  */
     30 
     31 #ifndef lint
     32 static char sccsid[] = "@(#)rpc_tblout.c 1.4 89/02/22 (C) 1988 SMI";
     33 #endif
     34 
     35 /*
     36  * rpc_tblout.c, Dispatch table outputter for the RPC protocol compiler
     37  */
     38 #include <stdio.h>
     39 #include <string.h>
     40 #include "rpc_parse.h"
     41 #include "rpc_util.h"
     42 
     43 #define TABSIZE		8
     44 #define TABCOUNT	5
     45 #define TABSTOP		(TABSIZE*TABCOUNT)
     46 
     47 static char tabstr[TABCOUNT+1] = "\t\t\t\t\t";
     48 
     49 static char tbl_hdr[] = "struct rpcgen_table %s_table[] = {\n";
     50 static char tbl_end[] = "};\n";
     51 
     52 static char null_entry[] = "\n\t(char *(*)())0,\n\
     53  \t(xdrproc_t) xdr_void,\t\t\t0,\n\
     54  \t(xdrproc_t) xdr_void,\t\t\t0,\n";
     55 
     56 
     57 static char tbl_nproc[] = "int %s_nproc =\n\tsizeof(%s_table)/sizeof(%s_table[0]);\n\n";
     58 
     59 void
     60 write_tables()
     61 {
     62 	list *l;
     63 	definition *def;
     64 
     65 	f_print(fout, "\n");
     66 	for (l = defined; l != NULL; l = l->next) {
     67 		def = (definition *) l->val;
     68 		if (def->def_kind == DEF_PROGRAM) {
     69 			write_table(def);
     70 		}
     71 	}
     72 }
     73 
     74 static
     75 write_table(def)
     76 	definition *def;
     77 {
     78 	version_list *vp;
     79 	proc_list *proc;
     80 	int current;
     81 	int expected;
     82 	char progvers[100];
     83 	int warning;
     84 
     85 	for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
     86 		warning = 0;
     87 		s_print(progvers, "%s_%s",
     88 		    locase(def->def_name), vp->vers_num);
     89 		/* print the table header */
     90 		f_print(fout, tbl_hdr, progvers);
     91 
     92 		if (nullproc(vp->procs)) {
     93 			expected = 0;
     94 		} else {
     95 			expected = 1;
     96 			f_print(fout, null_entry);
     97 		}
     98 		for (proc = vp->procs; proc != NULL; proc = proc->next) {
     99 			current = atoi(proc->proc_num);
    100 			if (current != expected++) {
    101 				f_print(fout,
    102 			"\n/*\n * WARNING: table out of order\n */\n");
    103 				if (warning == 0) {
    104 					f_print(stderr,
    105 				    "WARNING %s table is out of order\n",
    106 					    progvers);
    107 					warning = 1;
    108 					nonfatalerrors = 1;
    109 				}
    110 				expected = current + 1;
    111 			}
    112 			f_print(fout, "\n\t(char *(*)())RPCGEN_ACTION(");
    113 
    114 			/* routine to invoke */
    115 			if( Cflag && !newstyle )
    116 			  pvname_svc(proc->proc_name, vp->vers_num);
    117 			else {
    118 			  if( newstyle )
    119 			    f_print( fout, "_");   /* calls internal func */
    120 			  pvname(proc->proc_name, vp->vers_num);
    121 			}
    122 			f_print(fout, "),\n");
    123 
    124 			/* argument info */
    125 			if( proc->arg_num > 1 )
    126 			  printit((char*) NULL, proc->args.argname );
    127 			else
    128 			  /* do we have to do something special for newstyle */
    129 			  printit( proc->args.decls->decl.prefix,
    130 				  proc->args.decls->decl.type );
    131 			/* result info */
    132 			printit(proc->res_prefix, proc->res_type);
    133 		}
    134 
    135 		/* print the table trailer */
    136 		f_print(fout, tbl_end);
    137 		f_print(fout, tbl_nproc, progvers, progvers, progvers);
    138 	}
    139 }
    140 
    141 static
    142 printit(prefix, type)
    143 	char *prefix;
    144 	char *type;
    145 {
    146 	int len;
    147 	int tabs;
    148 
    149 
    150  	len = fprintf(fout, "\txdr_%s,", stringfix(type));
    151 	/* account for leading tab expansion */
    152 	len += TABSIZE - 1;
    153 	/* round up to tabs required */
    154 	tabs = (TABSTOP - len + TABSIZE - 1)/TABSIZE;
    155 	f_print(fout, "%s", &tabstr[TABCOUNT-tabs]);
    156 
    157 	if (streq(type, "void")) {
    158 		f_print(fout, "0");
    159 	} else {
    160 		f_print(fout, "sizeof ( ");
    161 		/* XXX: should "follow" be 1 ??? */
    162 		ptype(prefix, type, 0);
    163 		f_print(fout, ")");
    164 	}
    165 	f_print(fout, ",\n");
    166 }
    167